Untitled (marker tests and sketches with bleed-through of previous page, left page); Untitled (Skydance/Skytime design for Guggenheim, right page)

Black, green, and blue crayon on paper

Graphite on off-white laid paper

Black crayon on paper

Graphite and colored pencil on paper

Graphite and crayon on paper

Colored marker on paper

Graphite on paper

Paper

Black marker on paper

Colored marker on paper

Graphite on paper

Black and colored crayons on off-white wove paper